Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Fog

56°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in (1015.9 mb)
Dewpoint 56°F (13°C)
Visibility 0.25 mi
Last update 13 Oct 9:56 am EDT
Extended Forecast for

Mongaup Valley NY

  • Today

    Today: Mostly sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. West wind 7 to 9 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Northwest wind 6 to 8 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64. North wind around 5 mph becoming calm  in the morning.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am.  Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers.  High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 8pm.  Mostly cloudy, with a low around 31. Blustery.  Chance of precipitation is 60%.

    Low: 31 °F

    Showers
    Likely then
    Mostly Cloudy
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Breezy.

    High: 45 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 61. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 73. West wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 44. Northwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 64. North wind around 5 mph becoming calm in the morning.
Thursday Night
Showers, mainly after 2am. Low around 43. Chance of precipitation is 80%.
Friday
Showers. High near 64. Chance of precipitation is 90%.
Friday Night
Showers likely before 8pm. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 45. Breezy.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 29.
Monday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Mongaup Valley NY
 41.67°N 74.79°W (Elev. 1175 ft)
2:30 am EDT Oct 13, 2026
10am EDT Oct 13, 2026-6pm EDT Oct 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database